Matematikkens fundament

Tina Times discovered the trick of counting in groups to make adding quick! This fourth book in the Arithmetic Village series teaches math simply and gently through characters, color, and rhyme.

In Arithmetic Village, there are only two rules: be kind to each other and share all the jewels. This first book, in a series of five, uses characters, rhyme, and color to introduce basic math concepts.

Polly introduces the concept of addition by collecting and adding jewels to give to the King. Readers can join her journey and help her add along the way.

Clear, concise compendium of about 150 time-saving math short-cuts features faster, easier ways to add, subtract, multiply, and divide. Each problem includes an explanation of the method, a step-by-step solution, the short-cut solution, and proof, as well as an explanation of why it works. No special math ability needed.

King David Divide is mighty and wise, sharing jewels equally is what he decides. King David introduces the concept of division by equally distributing jewels throughout the village. His dog, Rover gets the remainder.

The third book in the Arithmetic Village series teaches subtraction simply and quickly through characters and rhyme. Linus playfully introduces the concept, while joyfully losing jewels throughout the village.

The aim of this book is to draw a holistic picture of ongoing online teaching-activities before and during the lockdown period and present the meaning and future of e-learning from students' points of view, taking into consideration their attitudes and expectations as well as industry 4.0 and society 5.0 aspects.